Herb, densely tufted, perennial, forming cushions to 10 cm diam. Leaf sheaths 3–9 mm long, 1–1.5 mm wide, light brown; margins glabrous or very sparsely pilose. Ligule acute, entire, 0.6–1.3 mm long, glabrous. Leaf lamina subulate, 3–15 mm long, to 0.4 mm wide; apex acute, tapering into a straight white or stramineous seta to 1 mm long. Scape to 10 mm long, subequal to leaves when fruiting, smooth. Primary bracts acute; the first 1.5–2 mm long; the next 1–1.5 mm long; the third c. 1 mm long if present. Seed c. 0.5 mm long.
Plant 6-8 cm tall. Leaves 10-18 mm long, the apex acicular and transparent about 0.5-1 mm long; sheath glabrous 4-7 mm long; ligule obtuse c. 1 mm long. Scape 1-2.5 cm. Bracts convolute, appressed, each enclosing one flower, sometimes the upper one empty or with an imperfect flower. Lower glume 3 mm long, second glume c. 2.5-3 mm, third glume c. 1 mm, internodes of the rhachis 1.5-2 mm. Fruiting carpels 2 or 1 by abortion, longitudinally dehiscent along the outside of the carpel.